{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["company", "nationality", "administrative division of country", "place of birth"], "input": " Nelson Mandela , who has devoted much of his life after leaving South Africa 's presidency to a campaign against AIDS , said Thursday that his son had died of the disease in a Johannesburg clinic . "}
{"company": [], "nationality": [{"subject": "Nelson Mandela", "object": "South Africa"}], "administrative division of country": [], "place of birth": []}